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Surface stimulation techniques for bladder management in the spinal dog.

J S Walter1, J S Wheeler, C J Robinson

  • 1Rehabilitation R&D Center, Hines VA Hospital, Illinois 60141.

The Journal of Urology
|January 1, 1989
PubMed
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Surface electrical stimulation offers a less invasive method for bladder management in spinal cord injury patients, achieving effective voiding without extensive surgery. This study explored various surface techniques, demonstrating comparable results to implanted electrodes.

Area of Science:

  • Neuroscience
  • Urology
  • Biomedical Engineering

Background:

  • Spinal cord injury often leads to bladder dysfunction, necessitating management strategies.
  • Current electrical stimulation methods for bladder control typically require invasive surgery for electrode implantation.
  • Minimally invasive and surface stimulation techniques are sought to improve patient outcomes and reduce surgical risks.

Purpose of the Study:

  • To compare urodynamic responses between surface and minimally invasive epidural electrical stimulation techniques.
  • To evaluate the efficacy of various surface electrical stimulation methods for bladder management in spinal cord injured dogs.

Main Methods:

  • Chronic spinal male dogs were used to assess urodynamic responses to different electrical stimulation techniques.

Related Experiment Videos

  • Surface stimulation methods included sacral monopolar, sacral bipolar, and perineal monopolar electrical stimulation, as well as perineal tactile stimulation.
  • Responses were compared to those obtained with implanted sacral epidural electrodes.

    • Main Results:

    • Several surface stimulation techniques, including sacral and perineal electrical stimulation, proved effective in eliciting urodynamic responses.
    • Voiding was successfully achieved both during and after stimulation periods using surface electrodes.
    • Urodynamic outcomes with surface stimulation were comparable to those achieved with implanted sacral epidural electrodes.

    Conclusions:

    • Surface electrical stimulation techniques offer a viable, less invasive alternative for bladder management in spinal cord injured individuals.
    • Effective voiding can be achieved using surface stimulation parameters such as 10 pps, 30-45 mA, 0.6 ms pulse duration, and 2-5 sec train duration.
    • These findings suggest a potential for non-surgical approaches to restore bladder function after spinal cord injury.